[1] Harvard Med Sch, Program Global Surg & Social Change, 641 Huntington Ave, Boston, MA 02115 USA
[2] Arizona State Univ, WP Carey Sch Business, 1151 S Forest Ave, Tempe, AZ 85281 USA
[3] GE Fdn, 41 Farnsworth St, Boston, MA 02210 USA
[4] Operat Smile, POB 77921, Dar Es Salaam 14130, Tanzania
[5] Presidents Off Reg Adm & Local Govt, Dept Hlth Social Welf & Nutr Serv, POB 1923, Dodoma 00255, Tanzania
[6] Assist Int, Ripon, CA 95366 USA
[7] Minist Hlth, POB 743, Dodoma 00255, Tanzania
[8] Boston Childrens Hosp, Dept Plast & Oral Surg, 300 Longwood Ave, Boston, MA 02115 USA
[9] Kilimanjaro Clin Res Inst, POB 2236, Moshi 25116, Tanzania
[10] Kilimanjaro Christian Med Univ Coll, Dept Epidemiol & Biostat, POB 2240, Moshi 25116, Tanzania
[11] Boston Childrens Hosp, Dept Anesthesiol & Surg, 300 Longwood Ave, Boston, MA 02115 USA
[12] Pathfinder Int, POB 77991, Dar Es Salaam, Tanzania